Select the systems for which emergency power is NOT always provided:
A. Egress lighting, B. Escalator, C. Fire alarms, D. Sewage ejector pump, E. Elevator, F. Horizontal sliding doors
Answer is B. Escalator - emergency power is rarely used, can be used like a stair without power. Supporting life safety is the critical purpose of emergency power systems.
are-review.blogspot.com
A. Egress lighting, B. Escalator, C. Fire alarms, D. Sewage ejector pump, E. Elevator, F. Horizontal sliding doors
Answer is B. Escalator - emergency power is rarely used, can be used like a stair without power. Supporting life safety is the critical purpose of emergency power systems.
are-review.blogspot.com